187844920

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{43889}}^1$

素因数の和:44007

約数の個数: 32

約数和(自身を含む): 426610800

約数和(自身を除く): 238765880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 43889, 87778, 175556, 219445, 351112, 438890, 877780, 1755560, 4696123, 9392246, 18784492, 23480615, 37568984, 46961230, 93922460, 187844920]

約数ペア:

[(1, 187844920), (2, 93922460), (4, 46961230), (5, 37568984), (8, 23480615), (10, 18784492), (20, 9392246), (40, 4696123), (107, 1755560), (214, 877780), (428, 438890), (535, 351112), (856, 219445), (1070, 175556), (2140, 87778), (4280, 43889)]